Brand comparison · from catalogue data
Sertag vs SUNMI
Sertag (2 models) versus SUNMI (2 models): product range, communications, ingress protection, battery life, price band and sector coverage side by side, from sourced catalogue data.
A manufacturer specialising in Sub-1 GHz communication. Thanks to the high penetration of the lower frequency, it covers wide areas with fewer access points in environments dense with metal shelving and walls. Note: the manufacturer's site was unreachable during the 2026-08 verification round; the records rest on secondary sources.
SUNMI China · Tier-2 · Specialist · 2 modelsA Chinese manufacturer known for smart POS terminals and retail IoT hardware; its ESL line is offered under the SL series. Market reports mention it among Chinese manufacturers growing both domestically and in exports. It publishes open ESL OpenAPI documentation for developers.
| Criterion | Sertag | SUNMI |
|---|---|---|
| Models in catalogue | 2 | 2 |
| Display size range | 2,9" – 7,5" | 2,13" – 2,6" |
| Colour capabilities | 3 colours | 3 colours |
| Communications | Sub-1 GHz (433/868 MHz) | Bluetooth LE 5.x |
| Ingress protection | IP54 | IP54 |
| Claimed battery life | 5 yr | 5 yr |
| Freezer-class model | No | No |
| Share of models with NFC | %0 | %100 |
| LED indicator | Yes | No |
| Price bands | Economy, Upper | Economy |
| Fully verified records | %0 | %0 |
| Tier | Tier-3 · Value | Tier-2 · Specialist |
| Headquarters | Shenzhen, China · 2011 | Shanghai, China · 2013 |
| Protocol / platform | Sub-1 GHz (433 / 868 MHz) · Sertag ESL System | 2.4 GHz + BLE, NFC supported · SUNMI Cloud · açık ESL OpenAPI |
| Presence in Türkiye | Through importers | Available through POS hardware distributors |
Highlighted cells only mark numeric breadth (more models, longer battery, higher verification); they do not mean "better". Estimated fields are flagged on product pages.
Sectors both target
Sertag
Strengths
- Wide coverage with a low access point count over Sub-1 GHz
- Advantageous in warehouses and industrial facilities
- Reasonable infrastructure and hardware cost
Watch-outs
- Low bandwidth — bulk updates are slow
- Limited variety of colour and large-format models
SUNMI
Strengths
- The option to buy POS terminal and ESL from the same manufacturer — single-source integration
- Publicly available ESL OpenAPI documentation
- NFC-enabled three-colour displays and a visual template editor
- A widespread dealer network in Europe
Watch-outs
- Per-model technical datasheets are not public
- ESL is not the company's main product line — roadmap priority sits on the POS side
- Freezer and large-format options are limited